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Q: what should my rpm be at when my car is at idle on 1990 Mercury Cougar

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
my idle jumps up just a few notches when I start the car and can this be due to the idle not being set correctly
(1) Answer
No that's probably the cold start function, it revs high to get oil pressure up quickly to avoid engine wear. Only during cold or long durations between use.